EP 3855748 A1 20210728 - IMAGE DECODING APPARATUS AND IMAGE ENCODING APPARATUS
Title (en)
IMAGE DECODING APPARATUS AND IMAGE ENCODING APPARATUS
Title (de)
BILDDEKODIERUNGSAPPARAT UND BILDKODIERUNGSAPPARAT
Title (fr)
APPAREIL DE DÉCODAGE D'IMAGE ET APPAREIL DE CODAGE D'IMAGE
Publication
Application
Priority
- JP 2018177818 A 20180921
- JP 2019037107 W 20190920
Abstract (en)
A WP prediction and a GBI prediction are adaptively used in combination. A video decoding apparatus (31) includes: a weighted prediction unit (3094) configured to generate a prediction image by using at least one of a weight coefficient or an offset configured for a first unit region and a weight coefficient configured for a second unit region different from the first unit region, the weight coefficient and the offset each being applied to a pixel value included in one or a plurality of reference images.
IPC 8 full level
H04N 19/70 (2014.01); H04N 19/105 (2014.01); H04N 19/174 (2014.01); H04N 19/176 (2014.01); H04N 19/577 (2014.01)
CPC (source: CN EP US)
H04N 19/105 (2014.11 - CN EP US); H04N 19/159 (2014.11 - CN EP US); H04N 19/174 (2014.11 - CN EP); H04N 19/176 (2014.11 - CN EP); H04N 19/182 (2014.11 - CN US); H04N 19/577 (2014.11 - CN EP); H04N 19/70 (2014.11 - CN EP US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3855748 A1 20210728; EP 3855748 A4 20220601; CN 112740704 A 20210430; CN 112740704 B 20240416; CN 118200534 A 20240614; CN 118200535 A 20240614; CN 118214858 A 20240618; EP 4436171 A2 20240925; US 11689731 B2 20230627; US 12096008 B2 20240917; US 2022038720 A1 20220203; US 2023336746 A1 20231019; WO 2020059877 A1 20200326
DOCDB simple family (application)
EP 19861524 A 20190920; CN 201980060993 A 20190920; CN 202410365805 A 20190920; CN 202410372325 A 20190920; CN 202410372331 A 20190920; EP 24194471 A 20190920; JP 2019037107 W 20190920; US 201917276535 A 20190920; US 202318142105 A 20230502